static void ComputeRectRelativeToParent(IntPtr hWnd, IntPtr hwndParent, out PInvoke.RECT clientParent, out PInvoke.RECT client)
{
PInvoke.RECT rw, rc;
PInvoke.GetWindowRect(hWnd, out rw);
PInvoke.GetClientRect(hWnd, out rc);
PInvoke.RECT rpw, rpc;
PInvoke.GetWindowRect(hwndParent, out rpw);
PInvoke.GetClientRect(hwndParent, out rpc);
PInvoke.POINT p0 = new PInvoke.POINT()
{
X = rw.Left,
Y = rw.Top
};
PInvoke.ScreenToClient(hwndParent, ref p0);
PInvoke.POINT p1 = new PInvoke.POINT()
{
X = rw.Right,
Y = rw.Bottom
};
PInvoke.ScreenToClient(hwndParent, ref p1);
clientParent = rpc;
client = new PInvoke.RECT()
{
Left = p0.X,
Top = p0.Y,
Right = p1.X,
Bottom = p1.Y
};
}
private static WinComponent FromHandle(IntPtr hwndCur)
{
var chArWindowClass = new StringBuilder(257);
PInvoke.GetClassName(hwndCur, chArWindowClass, 256);
var strWndClass = chArWindowClass.ToString();
var length = PInvoke.GetWindowTextLength(hwndCur);
var sb = new StringBuilder(length + 1);
PInvoke.GetWindowText(hwndCur, sb, sb.Capacity);
PInvoke.RECT rct;
PInvoke.GetWindowRect(hwndCur, out rct);
var style = PInvoke.GetWindowLong(hwndCur, PInvoke.GWL_STYLE);
var res = new WinComponent(strWndClass, sb.ToString(), hwndCur, rct.Left, rct.Top, style);
return(res);
}
private static void RecurseFindWindow(IntPtr hWndParent, List <WinComponent> childs)
{
if (hWndParent == IntPtr.Zero)
{
return;
}
var pointers = new List <IntPtr>();
IntPtr hwndCur = PInvoke.GetWindow(hWndParent, (uint)PInvoke.GetWindowFlags.GW_HWNDFIRST);
do
{
pointers.Add(hwndCur);
var chArWindowClass = new StringBuilder(257);
PInvoke.GetClassName(hwndCur, chArWindowClass, 256);
var strWndClass = chArWindowClass.ToString();
var length = PInvoke.GetWindowTextLength(hwndCur);
var sb = new StringBuilder(length + 1);
PInvoke.GetWindowText(hwndCur, sb, sb.Capacity);
PInvoke.RECT rct;
PInvoke.GetWindowRect(hwndCur, out rct);
var style = PInvoke.GetWindowLong(hwndCur, PInvoke.GWL_STYLE);
childs.Add(new WinComponent(strWndClass, sb.ToString(), hwndCur, rct.Left, rct.Top, style));
hwndCur = PInvoke.GetWindow(hwndCur, (uint)PInvoke.GetWindowFlags.GW_HWNDNEXT);
} while (hwndCur != IntPtr.Zero);
foreach (var pointer in pointers)
{
RecurseFindWindow(PInvoke.GetWindow(pointer, (uint)PInvoke.GetWindowFlags.GW_CHILD), childs);
}
}